testcases = [
    ("valid_option:", True),
    ("valid_option:\n", True),
    ("valid_option: ; inline comment", True),
    ("valid_option: # inline comment", True),
    ("valid_option :", True),
    ("valid_option=", True),
    ("valid_option= ", True),
    ("valid_option =", True),
    ("valid_option = ", True),
    ("invalid_option ==", False),
    ("invalid_option :=", False),
    ("not_a_valid_option", False),
    ("", False),
    ("# that's a comment", False),
    ("; that's a comment", False),
    ("parameter_humidity_(%_RH):", True),
    ("parameter_spool_weight_(%):", True),
    ("parameter_temperature_(°C):", True),
    ("parameter_humidity_(%_RH): 18.123", False),
    ("parameter_spool_weight_(%): 150", False),
    ("parameter_temperature_(°C): 30,5", False),
    ("trusted_clients:", True),
    ("trusted_clients: 192.168.1.0/24", False),
    ("cors_domains:", True),
    ("cors_domains: http://*.lan", False),
]
